Sakhalin Leaf Warbler

Phylloscopus borealoides

Least Concern

The Sakhalin Leaf Warbler is an agile leaf warbler of Japan, Sakhalin, Kamchatka, and nearby East Asian islands. It searches foliage, twigs, and canopy edges for tiny insects and spiders, often flicking through mixed flocks or migrating between breeding woods and warmer wintering scrub and forest.

Family

Phylloscopidae

Group

Leaf Warblers

Range

Sakhalin Leaf Warbler Range — Resident or seasonal range in Japan, Sakhalin, Kamchatka, and nearby East Asian islands

Population

≈ 500K–5M

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